缸盖紧固螺栓
cylinder head retaining bolt
缸盖螺栓紧固顺序
head bolt tightening procedure
高温紧固螺栓
high temperature tightening bolt
螺栓紧固平行砂轮
bolt fastened parallel wheel
汽缸法兰紧固螺栓
fastening bolts of casing flanges
径向紧固液压螺栓
radial fit coupling bolts
螺栓竖向紧固
vertically tightening bolts